IB skill practice

Use 3D vector line intersections

Determine whether lines in three dimensions intersect, are parallel, or are skew.

Paper 1, Paper 2 5 marks Difficulty 4

Use 3D vector line intersections - visual angle link

Two lines in three dimensions meet at (3,0,2). Enter the parameter value \(t\) for the first line.

Worked practice: result and interpretation

Calculate the requested result first, then choose the interpretation that follows from it.